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Finding the Third Proportional to 1,215,348.75 and 2,649,384

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Solution

The third proportional to 1,215,348.75 and 2,649,384 is: 5,775,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,348.75 : 2,649,384 = 2,649,384 : x
  2. Step 2: Convert to fraction form
    1,215,348.75/2,649,384 = 2,649,384/x
  3. Step 3: Cross multiply
    1,215,348.75x = 2,649,384 × 2,649,384
  4. Step 4: Simplify right side
    1,215,348.75x = 7,019,235,579,456
  5. Step 5: Solve for x
    x = 7,019,235,579,456/1,215,348.75
  6. Step 6: Final answer
    x = 5,775,490.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.